186   class BBState {  class
213     BBState() = default;
292     void InitFromPred(const BBState &Other);
293     void InitFromSucc(const BBState &Other);
294     void MergePred(const BBState &Other);
295     void MergeSucc(const BBState &Other);
331 const unsigned BBState::OverflowOccurredValue = 0xffffffff;
336                         BBState &BBState) LLVM_ATTRIBUTE_UNUSED;
340 void BBState::InitFromPred(const BBState &Other) {  in InitFromPred()
345 void BBState::InitFromSucc(const BBState &Other) {  in InitFromSucc()
352 void BBState::MergePred(const BBState &Other) {  in MergePred()
395 void BBState::MergeSucc(const BBState &Other) {  in MergeSucc()
437 raw_ostream &llvm::operator<<(raw_ostream &OS, BBState &BBInfo) {  in operator <<()
527                           DenseMap<const BasicBlock *, BBState> &BBStates,
528                           BBState &MyStates) const;
531                                 BBState &MyStates);
533                      DenseMap<const BasicBlock *, BBState> &BBStates,
536       Instruction *Inst, DenseMap<Value *, RRInfo> &Releases, BBState &MyStates,
540       BasicBlock *BB, DenseMap<const BasicBlock *, BBState> &BBStates,
544   bool Visit(Function &F, DenseMap<const BasicBlock *, BBState> &BBStates,
553   bool PairUpRetainsAndReleases(DenseMap<const BasicBlock *, BBState> &BBStates,
562   bool PerformCodePlacement(DenseMap<const BasicBlock *, BBState> &BBStates,
1279                                DenseMap<const BasicBlock *, BBState> &BBStates,  in CheckForCFGHazards()
1280                                BBState &MyStates) const {  in CheckForCFGHazards()
1305       const DenseMap<const BasicBlock *, BBState>::iterator BBI =  in CheckForCFGHazards()
1367     BBState &MyStates) {  in VisitInstructionBottomUp()
1435                                DenseMap<const BasicBlock *, BBState> &BBStates,  in VisitBottomUp()
1440   BBState &MyStates = BBStates[BB];  in VisitBottomUp()
1444   BBState::edge_iterator SI(MyStates.succ_begin()),  in VisitBottomUp()
1448     DenseMap<const BasicBlock *, BBState>::iterator I = BBStates.find(Succ);  in VisitBottomUp()
1487   for (BBState::edge_iterator PI(MyStates.pred_begin()),  in VisitBottomUp()
1532     Instruction *Inst, DenseMap<Value *, RRInfo> &Releases, BBState &MyStates,  in VisitInstructionTopDown()
1618     BasicBlock *BB, DenseMap<const BasicBlock *, BBState> &BBStates,  in VisitTopDown()
1624   BBState &MyStates = BBStates[BB];  in VisitTopDown()
1628   BBState::edge_iterator PI(MyStates.pred_begin()),  in VisitTopDown()
1632     DenseMap<const BasicBlock *, BBState>::iterator I = BBStates.find(Pred);  in VisitTopDown()
1684                   DenseMap<const BasicBlock *, BBState> &BBStates) {  in ComputePostOrders()
1695   BBState &MyStates = BBStates[EntryBB];  in ComputePostOrders()
1712         BBState &SuccStates = BBStates[SuccBB];  in ComputePostOrders()
1733   SmallVector<std::pair<BasicBlock *, BBState::edge_iterator>, 16> PredStack;  in ComputePostOrders()
1735     BBState &MyStates = BBStates[&ExitBB];  in ComputePostOrders()
1745       BBState::edge_iterator PE = BBStates[PredStack.back().first].pred_end();  in ComputePostOrders()
1760                        DenseMap<const BasicBlock *, BBState> &BBStates,  in Visit()
1856     DenseMap<const BasicBlock *, BBState> &BBStates,  in PairUpRetainsAndReleases()
1903           const BBState &NRRBBState = BBStates[NewRetainRelease->getParent()];  in PairUpRetainsAndReleases()
1904           unsigned PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1907           assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
1934                 const BBState &RIPBBState = BBStates[RIP->getParent()];  in PairUpRetainsAndReleases()
1935                 PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1938                 assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
1975           const BBState &NRRBBState = BBStates[NewReleaseRetain->getParent()];  in PairUpRetainsAndReleases()
1976           unsigned PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1979           assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
1991                 const BBState &RIPBBState = BBStates[RIP->getParent()];  in PairUpRetainsAndReleases()
1993                 PathCount = BBState::OverflowOccurredValue;  in PairUpRetainsAndReleases()
1996                 assert(PathCount != BBState::OverflowOccurredValue &&  in PairUpRetainsAndReleases()
2055     DenseMap<const BasicBlock *, BBState> &BBStates,  in PerformCodePlacement()
2284   DenseMap<const BasicBlock *, BBState> BBStates;  in OptimizeSequences()